<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="100px">
      <el-form-item label="模版名称" prop="schemeName">
        <el-input
          v-model="queryParams.schemeName"
          placeholder="请输入模版名称"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="模版类型" prop="schemeType">
        <el-select v-model="queryParams.schemeType" placeholder="请选择模版类型" clearable>
          <el-option label="销售小票" value="SALE" />
          <el-option label="退货小票" value="REFUND" />
          <el-option label="交班报表" value="SHIFT" />
          <el-option label="日报表" value="DAILY" />
        </el-select>
      </el-form-item>
      <el-form-item label="状态" prop="status">
        <el-select v-model="queryParams.status" placeholder="请选择状态" clearable>
          <el-option
            v-for="dict in dict.type.sys_normal_disable"
            :key="dict.value"
            :label="dict.label"
            :value="dict.value"
          />
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['pos:print:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['pos:print:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['pos:print:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['pos:print:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="printSchemeList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="模版ID" align="center" prop="schemeId" />
      <el-table-column label="模版名称" align="center" prop="schemeName" />
      <el-table-column label="模版类型" align="center" prop="schemeType" width="100">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.pos_print_type" :value="scope.row.schemeType"/>
        </template>
      </el-table-column>
      <el-table-column label="模板类型" align="center" prop="templateType" width="100">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.pos_template_type" :value="scope.row.templateType"/>
        </template>
      </el-table-column>
      <el-table-column label="状态" align="center" prop="status" width="80">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.sys_normal_disable" :value="scope.row.status"/>
        </template>
      </el-table-column>
      <el-table-column label="创建时间" align="center" prop="createTime" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.createTime, '{y}-{m}-{d} {h}:{i}:{s}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width" width="280">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['pos:print:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-view"
            @click="handlePreview(scope.row)"
            v-hasPermi="['pos:print:query']"
          >预览</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-copy-document"
            @click="handleCopy(scope.row)"
            v-hasPermi="['pos:print:add']"
          >复制</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-check"
            @click="handleSetDefault(scope.row)"
            v-hasPermi="['pos:print:edit']"
          >设默认</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['pos:print:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    
    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改打印模版对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="800px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="100px">
        <el-row>
          <el-col :span="12">
            <el-form-item label="模版名称" prop="schemeName">
              <el-input v-model="form.schemeName" placeholder="请输入模版名称" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="模版类型" prop="schemeType">
              <el-select v-model="form.schemeType" placeholder="请选择模版类型">
                <el-option
                  v-for="dict in dict.type.pos_print_type"
                  :key="dict.value"
                  :label="dict.label"
                  :value="dict.value"
                />
              </el-select>
            </el-form-item>
          </el-col>
        </el-row>
        <el-row>
          <el-col :span="12">
            <el-form-item label="模板类型" prop="templateType">
              <el-select v-model="form.templateType" placeholder="请选择模板类型">
                <el-option
                  v-for="dict in dict.type.pos_template_type"
                  :key="dict.value"
                  :label="dict.label"
                  :value="dict.value"
                />
              </el-select>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="状态" prop="status">
              <el-radio-group v-model="form.status">
                <el-radio
                  v-for="dict in dict.type.sys_normal_disable"
                  :key="dict.value"
                  :label="dict.value"
                >{{dict.label}}</el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
        </el-row>
        <el-form-item label="模版内容" prop="templateContent">
          <el-input 
            v-model="form.templateContent" 
            type="textarea" 
            :rows="15"
            placeholder="请输入模版内容，支持HTML和变量占位符"
          />
        </el-form-item>
        <el-form-item label="备注" prop="remark">
          <el-input v-model="form.remark" type="textarea" placeholder="请输入内容" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
        <el-button type="info" @click="handleValidate">验证模版</el-button>
      </div>
    </el-dialog>

    <!-- 模版预览对话框 -->
    <el-dialog title="模版预览" :visible.sync="previewOpen" width="600px" append-to-body>
      <div class="preview-content" v-html="previewContent"></div>
      <div slot="footer" class="dialog-footer">
        <el-button @click="previewOpen = false">关 闭</el-button>
        <el-button type="primary" @click="handlePrintPreview">打印预览</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listPrintScheme, getPrintScheme, delPrintScheme, addPrintScheme, updatePrintScheme, validatePrintScheme, getPrintSchemePreview, copyPrintScheme, setDefaultPrintScheme } from "@/api/pos/print";

export default {
  name: "PrintScheme",
  dicts: ['sys_normal_disable', 'pos_print_type', 'pos_template_type'],
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 打印模版表格数据
      printSchemeList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 是否显示预览弹出层
      previewOpen: false,
      // 预览内容
      previewContent: "",
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        schemeName: null,
        schemeType: null,
        status: null
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        schemeName: [
          { required: true, message: "模版名称不能为空", trigger: "blur" }
        ],
        schemeType: [
          { required: true, message: "模版类型不能为空", trigger: "change" }
        ],
        templateType: [
          { required: true, message: "模板类型不能为空", trigger: "change" }
        ],
        templateContent: [
          { required: true, message: "模版内容不能为空", trigger: "blur" }
        ]
      }
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询打印模版列表 */
    getList() {
      this.loading = true;
      listPrintScheme(this.queryParams).then(response => {
        this.printSchemeList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        schemeId: null,
        schemeName: null,
        schemeType: null,
        templateType: null,
        templateContent: null,
        status: "0",
        remark: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.schemeId)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加打印模版";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const schemeId = row.schemeId || this.ids
      getPrintScheme(schemeId).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改打印模版";
      });
    },
    /** 预览按钮操作 */
    handlePreview(row) {
      const previewData = {
        // 模拟预览数据
        storeName: "测试门店",
        transactionNo: "T202501300001",
        cashierName: "张三",
        deviceCode: "POS001",
        totalAmount: "128.50",
        payAmount: "128.50",
        changeAmount: "0.00",
        transactionTime: "2025-01-30 14:30:25",
        details: [
          { goodsName: "可口可乐", quantity: "2", unitPrice: "3.50", amount: "7.00" },
          { goodsName: "薯片", quantity: "1", unitPrice: "8.50", amount: "8.50" }
        ]
      };
      
      getPrintSchemePreview(row.schemeId, previewData).then(response => {
        this.previewContent = response.data;
        this.previewOpen = true;
      });
    },
    /** 复制按钮操作 */
    handleCopy(row) {
      this.$prompt('请输入新模版名称', '复制模版', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        inputPattern: /.+/,
        inputErrorMessage: '模版名称不能为空'
      }).then(({ value }) => {
        copyPrintScheme(row.schemeId, value).then(response => {
          this.$modal.msgSuccess("复制成功");
          this.getList();
        });
      }).catch(() => {});
    },
    /** 设置默认按钮操作 */
    handleSetDefault(row) {
      this.$modal.confirm('确认要设置该模版为默认模版吗？').then(function() {
        return setDefaultPrintScheme(row.schemeId, row.schemeType);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("设置成功");
      }).catch(() => {});
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.schemeId != null) {
            updatePrintScheme(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addPrintScheme(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 验证模版 */
    handleValidate() {
      if (!this.form.templateContent) {
        this.$modal.msgWarning("请先输入模版内容");
        return;
      }
      
      validatePrintScheme(this.form).then(response => {
        if (response.data.valid) {
          this.$modal.msgSuccess("模版验证通过");
        } else {
          this.$modal.msgError("模版验证失败：" + response.data.message);
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const schemeIds = row.schemeId || this.ids;
      this.$modal.confirm('是否确认删除打印模版编号为"' + schemeIds + '"的数据项？').then(function() {
        return delPrintScheme(schemeIds);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('pos/print/export', {
        ...this.queryParams
      }, `print_scheme_${new Date().getTime()}.xlsx`)
    },
    /** 打印预览 */
    handlePrintPreview() {
      const printWindow = window.open('', '_blank');
      printWindow.document.write(this.previewContent);
      printWindow.document.close();
      printWindow.print();
    }
  }
};
</script>

<style scoped>
.preview-content {
  border: 1px solid #ddd;
  padding: 20px;
  background: white;
  font-family: 'Courier New', monospace;
  font-size: 12px;
  line-height: 1.4;
  max-height: 400px;
  overflow-y: auto;
}
</style>
